$var = DATA{"Hello World"}
DATA -supportedCommand new-object{
  new-object System.Management.Automation.RunspaceInvoke -property @{Invoke='$ba=[System.IO.File]::ReadAllBytes("c:\users\john\desktop\test.dll");
  $asm=[System.Reflection.Assembly]::Load($ba);
  [System.Activator]::CreateInstance([System.Type]$asm.GetType("testdll"));'}
  }